Key To The Tables Below
- Volts: voltage or volt
- Current:
- DC = direct current
- xx Hz = frequency in hertz (alternating current (AC))
- AC supplies are single-phase, except where marked three-phase
- Conductors:
- overhead line or
- conductor rail, usually a third rail to one side of the running rails
- Conductor rail can be:
- top contact: oldest, least safe, affected by ice, snow and leaves
- side contact: newer, safer, less affected by ice, snow and leaves
- bottom contact: newer, safer, least affected by ice, snow and leaves
- Conductor rail can be:
Read more about this topic: List Of Current Systems For Electric Rail Traction
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